A337787 - cp's OEIS frontend

A337787 Number of addition triangles whose sum is n (version 2).

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	1
8	3
9	1
10	3
11	2
12	4
13	1
14	5
15	1
16	6
17	3
18	5
19	2
20	8
21	2
22	8
23	4
24	8
25	3
26	12
27	3
28	11
29	6
30	11
31	5
32	15
33	4
34	16
35	9
36	14
37	7
38	20
39	8
40	18
41	11
42	20
43	12
44	25
45	8
46	25
47	18
48	24
49	12
50	31
51	16
52	32
53	19
54	29
55	21
56	39
57	19
58	36
59	28
60	38
61	25
62	47
63	25
64	46
65	33
66	46
67	34
68	55
69	31
70	56
71	44
72	55
73	39
74	67
75	42
76	66
77	52
78	66
79	53
80	76
81	50
82	81
83	65
84	77
85	57

[1, 1, 1, 2, 1, 2, 1, 3, 1, 3, 2, 4, 1, 5, 1, 6, 3, 5, 2, 8, 2, 8, 4, 8, 3, 12, 3, 11, 6, 11, 5, 15, 4, 16, 9, 14, 7, 20, 8, 18, 11, 20, 12, 25, 8, 25, 18, 24, 12, 31, 16, 32, 19, 29, 21, 39, 19, 36, 28, 38, 25, 47, 25, 46, 33, 46, 34, 55, 31, 56, 44, 55, 39, 67, 42, 66, 52, 66, 53, 76, 50, 81, 65, 77, 57]

cp's OEIS Frontend

A337787 Number of addition triangles whose sum is n (version 2).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	1
8	3
9	1
10	3
11	2
12	4
13	1
14	5
15	1
16	6
17	3
18	5
19	2
20	8
21	2
22	8
23	4
24	8
25	3
26	12
27	3
28	11
29	6
30	11
31	5
32	15
33	4
34	16
35	9
36	14
37	7
38	20
39	8
40	18
41	11
42	20
43	12
44	25
45	8
46	25
47	18
48	24
49	12
50	31
51	16
52	32
53	19
54	29
55	21
56	39
57	19
58	36
59	28
60	38
61	25
62	47
63	25
64	46
65	33
66	46
67	34
68	55
69	31
70	56
71	44
72	55
73	39
74	67
75	42
76	66
77	52
78	66
79	53
80	76
81	50
82	81
83	65
84	77
85	57

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	1
8	3
9	1
10	3
11	2
12	4
13	1
14	5
15	1
16	6
17	3
18	5
19	2
20	8
21	2
22	8
23	4
24	8
25	3
26	12
27	3
28	11
29	6
30	11
31	5
32	15
33	4
34	16
35	9
36	14
37	7
38	20
39	8
40	18
41	11
42	20
43	12
44	25
45	8
46	25
47	18
48	24
49	12
50	31
51	16
52	32
53	19
54	29
55	21
56	39
57	19
58	36
59	28
60	38
61	25
62	47
63	25
64	46
65	33
66	46
67	34
68	55
69	31
70	56
71	44
72	55
73	39
74	67
75	42
76	66
77	52
78	66
79	53
80	76
81	50
82	81
83	65
84	77
85	57

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	1
8	3
9	1
10	3
11	2
12	4
13	1
14	5
15	1
16	6
17	3
18	5
19	2
20	8
21	2
22	8
23	4
24	8
25	3
26	12
27	3
28	11
29	6
30	11
31	5
32	15
33	4
34	16
35	9
36	14
37	7
38	20
39	8
40	18
41	11
42	20
43	12
44	25
45	8
46	25
47	18
48	24
49	12
50	31
51	16
52	32
53	19
54	29
55	21
56	39
57	19
58	36
59	28
60	38
61	25
62	47
63	25
64	46
65	33
66	46
67	34
68	55
69	31
70	56
71	44
72	55
73	39
74	67
75	42
76	66
77	52
78	66
79	53
80	76
81	50
82	81
83	65
84	77
85	57